Sauce Base

Technique:extracting flavour from the pan

Dissolving Maillard residues from searing with wine or stock: the sauce base is already waiting in the pan. L\u00f3pez-Alt (2015): 'the fond is pure concentrated flavor.' Quick, efficient, flavourful.

78.4\u00b0C boiling point of ethanol: alcohol evaporates rapidly during deglazing

140\u2013165\u00b0C temperature zone for Maillard reaction in the fond

2\u20135 min time for complete deglazing over high heat

50\u201380 ml typical amount of liquid for deglazing per portion

Requirements

The same pan used for searing (DO NOT clean it) Wine, cognac, stock, vinegar or a combination Wooden spoon or heat-resistant spatula Thermometer Fine-mesh strainer for passing the sauce

In brief

[DEFINITION] Definition: Deglazing

Deglazing is the process of dissolving the fond on the pan bottom by adding liquid to a hot pan. The fond consists of Maillard reaction products that form the flavour base of jus and sauces. Deglazing extracts these flavours and is the first step in building a jus or sauce.

Fond: the brown residue on the pan bottom after searing, rich in Maillard products (McGee, 2004)
Deglazing liquid: wine, cognac, stock, vinegar, beer or water, depending on the dish
Au sec: reduce the deglazing liquid almost dry for maximum flavour extraction (CIA, 2011)
Maillard products: caramelised sugars and fragmented amino acids give sauces their colour and depth

Deglazing options by dish type

Red wine: braises and meat jus

Red wine is the classic deglazing liquid for beef, lamb and game. After searing: add 100\u2013200 ml red wine to the hot pan, scrape all fond loose with a wooden spoon and reduce au sec. The tannins in red wine add body to the sauce; the acids help release the fond. Escoffier (1903): fond reduced with red wine is the foundation of boeuf bourguignon and coq au vin.

White wine and fish stock: fish and poultry

White wine for poultry, pork and fish: the lighter acids suit these products better. L\u00f3pez-Alt (The Food Lab, 2015) describes white wine deglazing as the base of a classic chicken jus. Fish stock as deglazing liquid for fish and shellfish dishes: it delivers a rich sea flavour without the fishy aroma of the fish itself. CIA (2011): never use red wine with white fish, as it imparts an unpleasant colour and flavour.

Cognac and distilled spirits

Cognac, Armagnac or whisky add a rich, complex flavour when deglazing poultry and game. Caution: higher alcohol percentages (40%) can ignite when lit (flamb\u00e9ing). Add cognac off the heat or keep distance when using a gas burner. McGee (2004): higher alcohol concentrations dissolve fat-soluble aromatic compounds more effectively than wine, producing a different aroma profile than wine deglazing.

Auguste Escoffier, Le Guide Culinaire (1903); J. Kenji L\u00f3pez-Alt, The Food Lab (W.W. Norton, 2015); Harold McGee, On Food and Cooking (Scribner, 2004)

The science of deglazing

Maillard products in the fond

The brown fond consists of Maillard reaction products: complex polymeric compounds formed from amino acids and sugars at 140\u2013165\u00a0\u00b0C. They are soluble in both water and alcohol and dissolve readily when liquid is added. McGee (2004): per gram of fond, the residue contains more aroma compounds than a litre of simmered stock.

Acid action on the fond

Acids in wine (tartaric acid, malic acid) accelerate the release of the fond by breaking the covalent bonds between Maillard polymers and the metal surface. CIA (2011): use a wooden spoon, not a metal spatula that can damage the cooking surface. An acid-rich deglazing (vinegar) for poultry produces an agrodolce character.

Alcohol reduction during deglazing

Ethanol boils at 78.4\u00a0\u00b0C: in a hot pan, alcohol evaporates quickly. McGee (2004): after 30 seconds of boiling on high heat, approximately 70% of the alcohol has evaporated. Reduce wine au sec (almost dry) before adding stock: this concentrates the wine flavours and eliminates the raw alcohol taste.

Deglazing with cognac or high-alcohol spirits near an open gas flame can cause the alcohol to ignite. Add cognac off the heat or turn off the flame before adding. Always keep a lid within reach to smother any flames.

Step-by-step method

1

Remove the meat from the pan

Remove the seared meat from the pan and place on a rack to rest. Keep the pan on the heat. Remove excess fat if there is more than 1\u20132 tablespoons in the pan.
2

Add the deglazing liquid

Add the liquid to the hot pan. Watch out for steam. The liquid will bubble vigorously: this is the steam from the evaporating alcohol and water.
3

Scrape all fond loose

Immediately scrape the brown fond from the pan bottom with a wooden spoon. Work quickly while the liquid is hot: the fond dissolves easily in the hot liquid.
4

Reduce au sec

Reduce the deglazing liquid on high heat until almost dry (au sec): a glossy coating remains in the pan. This concentrates all the flavours and eliminates the raw alcohol taste.
5

Add stock and reduce

Add 200\u2013300 ml stock to the reduced deglazing. Reduce to the desired consistency (napp\u00e9). Taste and season with salt and pepper after the reduction.

HACCP and food safety during deglazing

Fire and steam hazard

A hot pan (180\u2013220\u00a0\u00b0C) with added liquid can cause violent steam release. Add liquid carefully and at arm's length. With cognac or high-alcohol spirits: add off the heat to prevent ignition. Always keep a lid within reach.

Sauce storage and hot-holding

Deglazed sauces based on meat stock are high-risk products. NVWA: always hold above 65\u00a0\u00b0C (maximum 2 hours) or chill rapidly to 4\u00a0\u00b0C within 2 hours (EU 852/2004). Never hold at room temperature.

Deglazing liquids by application

Liquid	Application	Quantity	Reduction	Result
Red wine	Beef, lamb, game	150\u2013200 ml	Au sec	Deep, dark jus
White wine	Chicken, pork, fish	100\u2013150 ml	Au sec	Light, acidic sauce base
Cognac/Armagnac	Poultry, game	50\u201380 ml	Au sec	Rich, complex sauce
Veal stock	All meat types	200\u2013300 ml	50%	Body and gloss
Vinegar	Poultry, liver	50\u201380 ml	Au sec	Agrodolce character
Beer	Pork, game	150 ml	Au sec	Bittersweet flavour

CIA, The Professional Chef 9th edition (2011); J. Kenji L\u00f3pez-Alt, The Food Lab (W.W. Norton, 2015)

Food cost and deglazing

Zero waste: deglazing extracts all flavour from the pan that would otherwise be lost, increasing the value of every batch of meat
No extra ingredients needed: wine already present for the recipe suffices for the deglazing
Jus from the pan: guests pay for a jus made from the fond, not from instant cubes

Frequently asked questions

What is the difference between fond and deglazing?

Fond (the residue) refers to the brown deposits on the pan bottom after searing meat or vegetables. Deglazing is the process of dissolving this fond with liquid. "Fond" as a liquid (stock/fond de veau) is a confusing overlap: in French, "fond" means both the pan residue and the liquid stock (CIA, 2011).

Can I use water for deglazing?

Yes, water works and dissolves the fond just as effectively. However, wine, cognac or stock add additional layers of flavour. L\u00f3pez-Alt (The Food Lab, 2015): water is functional but lacks the acids and aromatic compounds that wine or stock contribute. Use water as a last resort or as an alcohol-free alternative.

How do I prevent the pan from becoming too dark for deglazing?

The fond may be brown but should never be black: black fond is burnt and imparts a bitter taste to the sauce. Searing over medium-high to high heat and moving the meat regularly prevents burning. If the pan becomes too dark: remove the fat, lower the temperature and deglaze immediately.

Can I pour cognac straight from the bottle into a hot pan?

No: this is dangerous. Never pour cognac directly from the bottle into a hot pan on a gas burner: the alcohol vapours can ignite and the flame can flash back to the bottle. Always pour cognac into a glass or measuring cup first, take the pan off the heat or lower the gas, and then add the cognac.

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Applying the techniques described requires professional expertise and training. KitchenNmbrs is not liable for damage, injury, illness or loss resulting from the application of information from this website without adequate professional guidance or verification. Every kitchen, every product and every environment is different: always apply your own professional judgement.

Food safety & HACCP

The HACCP guidelines, temperatures and storage advice on this page are based on Codex Alimentarius (WHO/FAO) as the global baseline standard and EU Regulation 852/2004. Local laws and regulations may differ. Always consult your national food safety authority for the applicable standards in your region:

Netherlands: NVWA (nvwa.nl)
Belgium: FAVV (favv-afsca.be)
Germany: BfR (bfr.bund.de)
United Kingdom: FSA (food.gov.uk)
United States: FDA (fda.gov) — FDA Food Code
EU general: EU Regulation (EC) 852/2004 on food hygiene
International: Codex Alimentarius CAC/RCP 1-1969 (revised 2020)

Allergens & dietary information

Allergen information is indicative. When in doubt about allergens in preparations, always contact the supplier or a certified allergological adviser. KitchenNmbrs accepts no liability for allergic reactions or diet-related harm.

Copyright & sources

All sources mentioned (Escoffier, McGee, CIA Professional Chef, etc.) are the property of their respective publishers and authors. KitchenNmbrs cites these works in accordance with fair use for informational purposes. The source attribution at the bottom of each technique page is not a complete bibliography but an indication of primary sources consulted.

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Sources and legal information

Auguste Escoffier \u2014 Le Guide Culinaire (Flammarion, 1903; reprint Wiley, 2011)
Harold McGee \u2014 On Food and Cooking (Scribner, 2004) \u2014 Maillard products and deglazing
CIA (Culinary Institute of America) \u2014 The Professional Chef, 9th edition (Wiley, 2011)
J. Kenji L\u00f3pez-Alt \u2014 The Food Lab (W.W. Norton & Company, 2015)
NVWA \u2014 Food Safety Guidelines for the Professional Kitchen (2021/2024)